可以升级，交换机对应ios的ReleaseNotes显示支持该版本，当前的版本也满足最低版本的要求，可以直接升级。
| Switch Model | Description | Supported by Minimum Cisco IOS Release |
| --------------------- | ------------------------------------------------------------ | -------------------------------------- |
| Catalyst 3750-X-24S-S | 24 SFP module slots, StackWise Plus, StackPower, 1 network module slot, 350-W power supply; IP Base feature se | 12.2(55)SE5 |
3750x 可以直接下载对应的IOS文件：[IOS Software - 15.2.4E10(MD)下载](https://software.cisco.com/download/home/283831705/type/280805680/release/15.2.4E10)
升级步骤参考ReleaseNotes中Upgrading the Switch Software 部分: [Release Notes for the Catalyst 3750-X and 3560-X Switches, Cisco IOS Release 15.2(4)E](https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/15-2_4_e/releasenotes/rn-1524e-3750x3560x.html)
